رد: I really need anyone's help in chemistry
as you wrote your questions in english
i will answer in english
first:- STP means that P=1atm
v=22.4
t=273
second:- i don't have chang book so i don't know
third:-yes
if the equation is
2H2+O2>>>2H2O
that means that 2 mol of H2 gives 2 mol of H2o
and 1mol of o2 gives 2mol of H2o
i hope that you will understand
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